freegroup (version 1.1-6)

donames: Names attributes of free group elements

Description

Get and set names of free group elements and arithmetic operations

Usage

donames(f,e1,e2)

Arguments

f

A vector, typically of class free

e1,e2

Objects of class free, possibly with names

Author

Robin K. S. Hankin

Details

Function donames() is a low-level helper function that ensures that the result of arithmetic operations such as + and ^ have the correct names attributes. The behaviour is inherited from that of base::`+`.

See Also

Ops.free

Examples

x <- rfree(9,4)
x
names(x) <- letters[1:9]
x

z <- as.free('z')
x + x 
x^z
z^x

n <- 1:9
names(n) <- LETTERS[1:9]

x*n
n*x  # note different names